Polycom VVX410 Keeps saying 'Line Unregistered'

[Zyon]

Hi all,

I have a Polycom VVX 410 that randomly disconnects and displays 'Line Unregistered'. Sometimes this happens while the phone isn't being used and sometimes this happens when the phone is in use, forcing the call to be dropped. Sometimes it fixes itself after a minute or two, other times we reboot it and it is fine. Im at a bit of a loss as to what is going on with this phone, hopefully someone can help explain this to me. I have attached logs and wiretraces. One log and trace are from a working phone the others are from the broken one all on the same network.

Thanks

Zyon

[SteffenBaierUK · Accepted solution]

Hello @Zyon,

welcome back to the Polycom Community.

It is always useful to include the currently used UC Software version as issues experienced or a question asked may already be addressed in a newer release.

This also allows yourself and others to check against current software release notes, Administrator Guides or FAQ post’s.

The above is also stated in the "Must Read First" and is the absolute minimum requirement every new post should include. .

In addition providing us with this basic information gives Polycom an idea what Software Versions are used in the field and avoids wasting time trying to troubleshoot issues which have already been addressed.

Therefore the Polycom VoIP FAQ contains this post here:

Question: How can I find out my SIP or UC Software Version of my Phone?
Resolution: Please check here

In regards to the wireshark trace the one from the Broken scenario does not contain any SIP traffic.

In addition both logs do not show any relevant data either.

The phone where sold via NETXUSA and seem to have been at least at some point connected to Comcast Cable Communications so I suggest you take this up with them.

One of the things I noticed in the working scenario the phone re-registers nearly every minute. Is this really necessary ?

Please ensure to provide some feedback if this reply has helped you so other users can profit from your experience.

Best Regards

Steffen Baier

Polycom Global Services

[Zyon]

Thanks for the fast response, sorry the information I provided wasn't helpful. The UC version of the phone is 5.5.1.11526. Is there anything I can do to get some useful information out of thesse phones before I contact NEXTUSA? Also I am still new to polycom phones, where can I change how often the phone re-registers?

Thanks for all the help,

Zyon

[SteffenBaierUK]

Hello @Zyon,

I am still unsure who provides your service as it shows up as Comcast so they should be easily be able to help you.

There are multiple FAQ's as example here:

Oct 11, 2011 Question: How can I troubleshoot configuration Issues via Log Files or the phone GUI?

Resolution: Please check => here <=

or

Jan 19, 2012 Question: How to troubleshoot Polycom VoIP related Issues?

Resolution: Please check => here <=

Please ensure to provide some feedback if this reply has helped you so other users can profit from your experience.

Best Regards

Steffen Baier

Polycom Global Services